127695977 has 4 divisors (see below), whose sum is σ = 133248000. Its totient is φ = 122143956.

The previous prime is 127695949. The next prime is 127695983. The reversal of 127695977 is 779596721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127695977 - 2²² = 123501673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127695947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775977 + ... + 2776022.

It is an arithmetic number, because the mean of its divisors is an integer number (33312000).

Almost surely, 2^127695977 is an apocalyptic number.

It is an amenable number.

127695977 is a deficient number, since it is larger than the sum of its proper divisors (5552023).

127695977 is an equidigital number, since it uses as much as digits as its factorization.

127695977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552022.

The product of its digits is 1666980, while the sum is 53.

The square root of 127695977 is about 11300.2644659318. The cubic root of 127695977 is about 503.5690984527.

The spelling of 127695977 in words is "one hundred twenty-seven million, six hundred ninety-five thousand, nine hundred seventy-seven".